With the disclosure shaft drive device, has a PCB device (1, 1); a rotor device (50; 5, 51) with a rotor (5) and a rotor shaft (51) attached to it; and a stator device (40) for driving the rotor (5) with the rotor shaft (51); an attachment device (60) for attaching the rotor device (50; 5, 51) and the...http://www.google.com/patents/US6747381?utm_source=gb-gplus-sharePatent US6747381 - Shaft drive device
